nginx-0.0.1-2003-11-05-20:03:41 import
diff --git a/src/event/ngx_event_pipe.h b/src/event/ngx_event_pipe.h
index 7eb4c57..f7cb6d0 100644
--- a/src/event/ngx_event_pipe.h
+++ b/src/event/ngx_event_pipe.h
@@ -54,6 +54,8 @@
 
     size_t             busy_size;
 
+    off_t              read_length;
+
     off_t              max_temp_file_size;
     int                temp_file_write_size;